Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Silvia Keli de Barros Alcanfor"'
Publikováno v:
Química Nova, Vol 32, Iss 4, Pp 1055-1058 (2009)
This works proposes a homemade construction of a lead(II) ISE of solid membrane (Ag2S/PbS) to determine Pb2+ ions in potentiometric titrations, using damaged combined glass electrodes. This electrode can be constructed in teaching laboratories, using
Externí odkaz:
https://doaj.org/article/a484e14c0dae41b6a695e22227c318db
Autor:
Eiko E. Kuramae, Ana Carolina Moreira Araújo, Cristine Chaves Barreto, Silvia Keli de Barros Alcanfor, Cassimira Albuquerque Rodrigues, Maria Wanna Figueiredo Sena Macedo, Flávio Silva Costa, Marco Pessoa-Filho
Publikováno v:
Brazilian Journal of Microbiology, 50(3), 705-713. Sociedade Brasileira de Microbiologia
Braz J Microbiol
Braz J Microbiol
Serpentine soils present unique characteristics such as a low Ca/Mg ratio, low concentration of nutrients, and a high concentration of heavy metals, especially nickel. Soil bacterial isolates from an ultramafic complex located in the tropical savanna
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d99b49718896b72512e3f24682cdf972
https://pure.knaw.nl/portal/en/publications/2afbc3db-0d4c-493e-9f5c-b9b3d295a39e
https://pure.knaw.nl/portal/en/publications/2afbc3db-0d4c-493e-9f5c-b9b3d295a39e
Publikováno v:
Revista Virtual de Química. 8:1683-1692
Furosemide is a potent diuretic used for treatment of edema, hypertension and renal disease, among others. In this work, a simple and accurate method using 1H NMR has been developed for quantification of furosemide in pharmaceutical formulations. All
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ee39e6c339aaa7ffd46a75ded3d0323
https://doi.org/10.21577/1984-6835.20160111
https://doi.org/10.21577/1984-6835.20160111
Autor:
Luciano de Almeida Pinheiro, Jonatas Gomes da Silva, Janaína Moreira de Faria, Silvia Keli de Barros Alcanfor, Luiz Fabrício Zara
Publikováno v:
Educación Química. 21:202-206
Este trabajo propone un experimento didactico alternativo para determinar la estabilidad de los complejos involucrados en la titulacion espectrofotometrica de iones Fe(III) con EDTA y con acido sulfosalicilico como indicador, utilizando un sistema hi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::480d33fa19f49d742e2020ed22656b4b
https://doi.org/10.1016/s0187-893x(18)30083-1
https://doi.org/10.1016/s0187-893x(18)30083-1
Homemade construction of a lead(II) ion selective electrode: an alternative to experimental subjects
Publikováno v:
Química Nova, Volume: 32, Issue: 4, Pages: 1055-1058, Published: 2009
Química Nova v.32 n.4 2009
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova v.32 n.4 2009
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
This works proposes a homemade construction of a lead(II) ISE of solid membrane (Ag2S/PbS) to determine Pb2+ ions in potentiometric titrations, using damaged combined glass electrodes. This electrode can be constructed in teaching laboratories, using
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fad2123567833e51e5a31dc0664042e1
https://doi.org/10.1590/s0100-40422009000400039
https://doi.org/10.1590/s0100-40422009000400039
Autor:
Leonardo F. Alves, Ricardo Gargano, João B. L. Martins, Luiz Antonio Soares Romeiro, Silvia Keli de Barros Alcanfor
Publikováno v:
Chemical Physics Letters. (4-6):162-165
Ultraviolet absorption spectra of 2-ethylhexyl p-methoxycinnamate have been recorded in different solvents and calculated using the time dependent density functional theory. The calculations were performed with the aid of B3LYP, PBE1PBE, M06, and PBE
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af8819b104e58ee21404bad958e76ee1